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BA3131 Datasheet(PDF) 6 Page - Rohm

Part # BA3131
Description  Dual operational amplifier with switch, for audio use (3 inputs 횞 1 output 횞 2)
PDF  9 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA3131 Datasheet(HTML) 6 Page - Rohm

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BA3131FS
Standard ICs
+
–
Vref
Vref
Vcc
100k
Ω
0.47
µF
3.3
µF
1k
47
µF
2.2k
Ω 56kΩ
100k
Ω
B.P.F
20Hz ~ 30kHz
Von
Vn =
Von
1
÷
100
× 10
1
× 103
3
Fig. 8 Input conversion noise voltage
–
+
C
–
+
B
–
+
A
Vref
Vref
Vref
Vref
Channel selection
100k
Ω
100k
Ω
100k
Ω
1k
Ω / 100kΩ
1k
Ω / 100kΩ
1k
Ω / 100kΩ
1k
Ω
1k
Ω
1k
Ω
VIN
f = 1kHz
CTABC = 20log
VoC
VoA or VoB
Vcc = 8V
Vo
Fig. 9 Crosstalk between A and B
~
Vref
Vref
100k
Ω
1k
Ω
VIN
f = 1kHz
–
+
Distortion meter
Vo = 1Vrms
Vo
0.47
µF
Vcc
2.2k
Ω
56k
Ω
3.3
µF
Fig. 10 Total harmonic distortion
~
Vref
Vref
100k
Ω
1k / 100k
Ω
1k
Ω
–
+
Vo1
CH-1
Fig. 11 Channel separation ( )
Vref
Vref
100k
Ω
1k / 100k
Ω
1k
Ω
f = 1kHz
–
+
Vo2
CH-2
Vcc = 8V
CS = 20log
Vo1
100Vo2
Fig. 12 Channel separation ( )
~



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